... simple stucture, low power consumption DDS238 Single-phase
Electrical Watt-hour MeterProduct Brief IntroductionThe DDS238 type Single-phase ...
Electrical Watt-hour Meter adopt a large scale of integrated circuit, the device typifying new periphery
component, simple ... in conformity with the technical requirements for Single-phase
Electrical Watt-hour Meter stipulated in IEC62053-21